Category Archives: Sea Stars

What killed California’s Sea Stars and Urchins?

In August 2011, scientists walked into their labs and were met with a disturbing sight: thousands of purple sea urchins and other marine invertebrates were dead in their tanks—which are fed directly by seawater. Outside, the tea-colored ocean washed up carcasses of red abalone, large sea stars, and football-sized, snail-like chitons. Less conspicuous—but even more heavily…
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